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June 22, 2020 Service bulletin

This bulletin provides information related to an Electronic Control Module (ECM) software update to revise...

Hyundai technical service bulletin 20-01-027H for 2020 Hyundai Sonata.

Bulletin number
20-01-027H
Component
Equipment
Summary
This bulletin provides information related to an Electronic Control Module (ECM) software update to revise the logic for DTC P030X: Cylinder “X” Misfire Detected and P0456: EVAP System Leakage Detected – Very Small Leak.

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